package math;

/**
 * Created by fengliejv on 2017/10/4.
 */
public class UglyNumber263 {
    public boolean isUgly(int num) {
        if(num<1){
            return false;
        }
        if(num==1){
            return true;
        }
        while (num%2==0){
            num=num/2;
        }
        while (num%3==0){
            num=num/3;
        }
        while (num%5==0){
            num=num/5;
        }
        return num==1;
    }
}
